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1-88.

If , approximate the area under the curve for using eight left endpoint rectangles of equal width.

Area of each rectangle .
All rectangles have a base of . Heights are determined by the function. (Notice that the first rectangle has a height of .)

Use the eTool below to view the graph.
Click the link at right for the full version of the eTool: Calc 1-88 HW eTool